<template>
  <div>
    <button @click="add()">number的值是{{number}}</button>
    <h3>count 的值是{{$store.state.count}}</h3>
  </div>
</template>

<script>
  export default{
    data(){
      return{
        number:0,
      };
    },
    methods:{
      add(){
        this.number++;
      }
    },
    mounted(){
      console.log("number的值是"+this.number)
    }
  }
</script>